diff --git a/doc/src/Build_extras.rst b/doc/src/Build_extras.rst
index 12bb33f264..d375d33e56 100644
--- a/doc/src/Build_extras.rst
+++ b/doc/src/Build_extras.rst
@@ -1253,8 +1253,8 @@ be built for the most part with all major versions of the C++ language.
 USER-PACE package
 -----------------------------
 
-This package requires a library that can be downloaded and built 
-in lib/pace or somewhere else, which must be done before building 
+This package requires a library that can be downloaded and built
+in lib/pace or somewhere else, which must be done before building
 LAMMPS with this package. The code for the library can be found
 at: `https://github.com/ICAMS/lammps-user-pace/ <https://github.com/ICAMS/lammps-user-pace/>`_
 
@@ -1276,8 +1276,8 @@ at: `https://github.com/ICAMS/lammps-user-pace/ <https://github.com/ICAMS/lammps
    .. tab:: Traditional make
 
       You can download and build the USER-PACE library
-      in one step from the ``lammps/src`` dir, using these commands, 
-      which invoke the ``lib/pace/Install.py`` script. 
+      in one step from the ``lammps/src`` dir, using these commands,
+      which invoke the ``lib/pace/Install.py`` script.
 
       .. code-block:: bash
 
diff --git a/src/COMPRESS/gz_file_writer.cpp b/src/COMPRESS/gz_file_writer.cpp
index d24d77b21a..36b9161cc1 100644
--- a/src/COMPRESS/gz_file_writer.cpp
+++ b/src/COMPRESS/gz_file_writer.cpp
@@ -67,7 +67,7 @@ size_t GzFileWriter::write(const void * buffer, size_t length)
 void GzFileWriter::flush()
 {
   if (!isopen()) return;
-  
+
   gzflush(gzFp, Z_SYNC_FLUSH);
 }
 
diff --git a/src/MC/fix_charge_regulation.cpp b/src/MC/fix_charge_regulation.cpp
index 34391b86fb..6775b4e4ca 100644
--- a/src/MC/fix_charge_regulation.cpp
+++ b/src/MC/fix_charge_regulation.cpp
@@ -147,7 +147,7 @@ int FixChargeRegulation::setmask() {
 
 void FixChargeRegulation::init() {
 
-  triclinic = domain->triclinic; 
+  triclinic = domain->triclinic;
   int ipe = modify->find_compute("thermo_pe");
   c_pe = modify->compute[ipe];
 
diff --git a/src/USER-PACE/README b/src/USER-PACE/README
index 3d85c806e9..c701a615f7 100644
--- a/src/USER-PACE/README
+++ b/src/USER-PACE/README
@@ -1,23 +1,23 @@
-The USER-PACE package provides the pace pair style, 
-an efficient implementation of the Atomic Cluster Expansion 
+The USER-PACE package provides the pace pair style,
+an efficient implementation of the Atomic Cluster Expansion
 potential (ACE).
 
-ACE is a methodology for deriving a highly accurate classical 
-potential fit to a large archive of quantum mechanical (DFT) data. 
+ACE is a methodology for deriving a highly accurate classical
+potential fit to a large archive of quantum mechanical (DFT) data.
 This package was written by Yury Lysogorskiy and others
-at ICAMS, the Interdisciplinary Centre for Advanced Materials Simulation, 
+at ICAMS, the Interdisciplinary Centre for Advanced Materials Simulation,
 Ruhr University Bochum, Germany (http://www.icams.de).
 
-This package requires a library that can be downloaded and built 
-in lib/pace or somewhere else, which must be done before building 
-LAMMPS with this package. Details of the download, build, and 
-install process for this package using traditional make (not CMake) 
+This package requires a library that can be downloaded and built
+in lib/pace or somewhere else, which must be done before building
+LAMMPS with this package. Details of the download, build, and
+install process for this package using traditional make (not CMake)
 are given in the lib/pace/README file, and scripts are
 provided to help automate the process.  Also see the LAMMPS manual for
 general information on building LAMMPS with external libraries
 using either traditional make or CMake.
 
-More information about the USER-PACE implementation of ACE 
+More information about the USER-PACE implementation of ACE
 is available here:
 
 https://github.com/ICAMS/lammps-user-pace